docs: def trcdep():
      """
      Return the number of modules in the traceback representation.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/trcdep_c.html
  
      :return: The number of modules in the traceback.
      :rtype: int
      """
      depth = ctypes.c_int()
      libspice.trcdep_c(ctypes.byref(depth))
      return depth.value